1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
|
/*
* linux/arch/m68knommu/kernel/setup.c
*
* Copyright (C) 1999-2007 Greg Ungerer (gerg@snapgear.com)
* Copyright (C) 1998,1999 D. Jeff Dionne <jeff@uClinux.org>
* Copyleft ()) 2000 James D. Schettine {james@telos-systems.com}
* Copyright (C) 1998 Kenneth Albanowski <kjahds@kjahds.com>
* Copyright (C) 1995 Hamish Macdonald
* Copyright (C) 2000 Lineo Inc. (www.lineo.com)
* Copyright (C) 2001 Lineo, Inc. <www.lineo.com>
*
* 68VZ328 Fixes/support Evan Stawnyczy <e@lineo.ca>
*/
/*
* This file handles the architecture-dependent parts of system setup
*/
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/fb.h>
#include <linux/module.h>
#include <linux/console.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/bootmem.h>
#include <linux/seq_file.h>
#include <linux/init.h>
#include <asm/setup.h>
#include <asm/irq.h>
#include <asm/machdep.h>
#include <asm/pgtable.h>
unsigned long memory_start;
unsigned long memory_end;
EXPORT_SYMBOL(memory_start);
EXPORT_SYMBOL(memory_end);
char __initdata command_line[COMMAND_LINE_SIZE];
/* machine dependent timer functions */
void (*mach_gettod)(int*, int*, int*, int*, int*, int*);
int (*mach_set_clock_mmss)(unsigned long);
/* machine dependent reboot functions */
void (*mach_reset)(void);
void (*mach_halt)(void);
void (*mach_power_off)(void);
#ifdef CONFIG_M68000
#define CPU "MC68000"
#endif
#ifdef CONFIG_M68328
#define CPU "MC68328"
#endif
#ifdef CONFIG_M68EZ328
#define CPU "MC68EZ328"
#endif
#ifdef CONFIG_M68VZ328
#define CPU "MC68VZ328"
#endif
#ifdef CONFIG_M68332
#define CPU "MC68332"
#endif
#ifdef CONFIG_M68360
#define CPU "MC68360"
#endif
#if defined(CONFIG_M5206)
#define CPU "COLDFIRE(m5206)"
#endif
#if defined(CONFIG_M5206e)
#define CPU "COLDFIRE(m5206e)"
#endif
#if defined(CONFIG_M520x)
#define CPU "COLDFIRE(m520x)"
#endif
#if defined(CONFIG_M523x)
#define CPU "COLDFIRE(m523x)"
#endif
#if defined(CONFIG_M5249)
#define CPU "COLDFIRE(m5249)"
#endif
#if defined(CONFIG_M5271)
#define CPU "COLDFIRE(m5270/5271)"
#endif
#if defined(CONFIG_M5272)
#define CPU "COLDFIRE(m5272)"
#endif
#if defined(CONFIG_M5275)
#define CPU "COLDFIRE(m5274/5275)"
#endif
#if defined(CONFIG_M528x)
#define CPU "COLDFIRE(m5280/5282)"
#endif
#if defined(CONFIG_M5307)
#define CPU "COLDFIRE(m5307)"
#endif
#if defined(CONFIG_M532x)
#define CPU "COLDFIRE(m532x)"
#endif
#if defined(CONFIG_M5407)
#define CPU "COLDFIRE(m5407)"
#endif
#ifndef CPU
#define CPU "UNKNOWN"
#endif
extern int _stext, _etext, _sdata, _edata, _sbss, _ebss, _end;
extern int _ramstart, _ramend;
void setup_arch(char **cmdline_p)
{
int bootmap_size;
memory_start = PAGE_ALIGN(_ramstart);
memory_end = _ramend;
init_mm.start_code = (unsigned long) &_stext;
init_mm.end_code = (unsigned long) &_etext;
init_mm.end_data = (unsigned long) &_edata;
init_mm.brk = (unsigned long) 0;
config_BSP(&command_line[0], sizeof(command_line));
#if defined(CONFIG_BOOTPARAM)
strncpy(&command_line[0], CONFIG_BOOTPARAM_STRING, sizeof(command_line));
command_line[sizeof(command_line) - 1] = 0;
#endif
printk(KERN_INFO "\x0F\r\n\nuClinux/" CPU "\n");
#ifdef CONFIG_UCDIMM
printk(KERN_INFO "uCdimm by Lineo, Inc. <www.lineo.com>\n");
#endif
#ifdef CONFIG_M68VZ328
printk(KERN_INFO "M68VZ328 support by Evan Stawnyczy <e@lineo.ca>\n");
#endif
#ifdef CONFIG_COLDFIRE
printk(KERN_INFO "COLDFIRE port done by Greg Ungerer, gerg@snapgear.com\n");
#ifdef CONFIG_M5307
printk(KERN_INFO "Modified for M5307 by Dave Miller, dmiller@intellistor.com\n");
#endif
#ifdef CONFIG_ELITE
printk(KERN_INFO "Modified for M5206eLITE by Rob Scott, rscott@mtrob.fdns.net\n");
#endif
#endif
printk(KERN_INFO "Flat model support (C) 1998,1999 Kenneth Albanowski, D. Jeff Dionne\n");
#if defined( CONFIG_PILOT ) && defined( CONFIG_M68328 )
printk(KERN_INFO "TRG SuperPilot FLASH card support <info@trgnet.com>\n");
#endif
#if defined( CONFIG_PILOT ) && defined( CONFIG_M68EZ328 )
printk(KERN_INFO "PalmV support by Lineo Inc. <jeff@uclinux.com>\n");
#endif
#if defined (CONFIG_M68360)
printk(KERN_INFO "QUICC port done by SED Systems <hamilton@sedsystems.ca>,\n");
printk(KERN_INFO "based on 2.0.38 port by Lineo Inc. <mleslie@lineo.com>.\n");
#endif
#ifdef CONFIG_DRAGEN2
printk(KERN_INFO "DragonEngine II board support by Georges Menie\n");
#endif
#ifdef CONFIG_M5235EVB
printk(KERN_INFO "Motorola M5235EVB support (C)2005 Syn-tech Systems, Inc. (Jate Sujjavanich)");
#endif
#ifdef DEBUG
printk(KERN_DEBUG "KERNEL -> TEXT=0x%06x-0x%06x DATA=0x%06x-0x%06x "
"BSS=0x%06x-0x%06x\n", (int) &_stext, (int) &_etext,
(int) &_sdata, (int) &_edata,
(int) &_sbss, (int) &_ebss);
printk(KERN_DEBUG "MEMORY -> ROMFS=0x%06x-0x%06x MEM=0x%06x-0x%06x\n ",
(int) &_ebss, (int) memory_start,
(int) memory_start, (int) memory_end);
#endif
/* Keep a copy of command line */
*cmdline_p = &command_line[0];
memcpy(boot_command_line, command_line, COMMAND_LINE_SIZE);
boot_command_line[COMMAND_LINE_SIZE-1] = 0;
#ifdef DEBUG
if (strlen(*cmdline_p))
printk(KERN_DEBUG "Command line: '%s'\n", *cmdline_p);
#endif
#if defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_DUMMY_CONSOLE)
conswitchp = &dummy_con;
#endif
/*
* Give all the memory to the bootmap allocator, tell it to put the
* boot mem_map at the start of memory.
*/
bootmap_size = init_bootmem_node(
NODE_DATA(0),
memory_start >> PAGE_SHIFT, /* map goes here */
PAGE_OFFSET >> PAGE_SHIFT, /* 0 on coldfire */
memory_end >> PAGE_SHIFT);
/*
* Free the usable memory, we have to make sure we do not free
* the bootmem bitmap so we then reserve it after freeing it :-)
*/
free_bootmem(memory_start, memory_end - memory_start);
reserve_bootmem(memory_start, bootmap_size);
/*
* Get kmalloc into gear.
*/
paging_init();
}
/*
* Get CPU information for use by the procfs.
*/
static int show_cpuinfo(struct seq_file *m, void *v)
{
char *cpu, *mmu, *fpu;
u_long clockfreq;
cpu = CPU;
mmu = "none";
fpu = "none";
#ifdef CONFIG_COLDFIRE
clockfreq = (loops_per_jiffy * HZ) * 3;
#else
clockfreq = (loops_per_jiffy * HZ) * 16;
#endif
seq_printf(m, "CPU:\t\t%s\n"
"MMU:\t\t%s\n"
"FPU:\t\t%s\n"
"Clocking:\t%lu.%1luMHz\n"
"BogoMips:\t%lu.%02lu\n"
"Calibration:\t%lu loops\n",
cpu, mmu, fpu,
clockfreq / 1000000,
(clockfreq / 100000) % 10,
(loops_per_jiffy * HZ) / 500000,
((loops_per_jiffy * HZ) / 5000) % 100,
(loops_per_jiffy * HZ));
return 0;
}
static void *c_start(struct seq_file *m, loff_t *pos)
{
return *pos < NR_CPUS ? ((void *) 0x12345678) : NULL;
}
static void *c_next(struct seq_file *m, void *v, loff_t *pos)
{
++*pos;
return c_start(m, pos);
}
static void c_stop(struct seq_file *m, void *v)
{
}
struct seq_operations cpuinfo_op = {
.start = c_start,
.next = c_next,
.stop = c_stop,
.show = show_cpuinfo,
};
|
